If a solution containing 63.00 g of mercury(1I) nitrate is allowed to react completely with a solution containing 17.796 g of sodium dichromate, how many grams of solid precipitate will be formed? mass: How many grams of the reactant in excess will remain after the reaction? mass: Assuming complete precipitation, how many moles of each ion remain in solution? If an ion is no longer in solution, enter a zero (0) for the number of moles. Hy+: mol NO,: mol